Do you need support for your Information Technology? Do you have malware? Is your network slow? Do you need a server upgrade? To get help with these and other issues call our hotline at (877) 717-6075. This is the phone number with the shortest wait time and best customer service.

Our Help Desk service "first contact resolution rate" for qualified clients, for example, continues to rise - we are at 90% and still climbing! But don't take our word for it. Check out what our clients have to say.

If you are one of the following types of company and need Tech Support and IT Consulting? We got you covered.

24/7 Tech Support

Client Testimonials

CSSD has met our expectations and more. They have always reacted in an expedient, professional manner.

Cesar Carcia CFO, Premier Graphics

We've regained control of our network and implemented security solutions without adding to any complexity.

E. Espejo, President, M&O Corp.

Since CSSD has installed and serviced our network more than 4 years ago it has run extremely well.

A. L, Danbury

We cannot speak highly enough about the response times and the excellent service we receive.

B&L Smith, FI Homes LLC

CSSD rebuilt our hardware from the ground up, managed vendors, and got us up and running quickly.

R. Smith, Office Manager

We will gladly recommend CSSD to business associates and clients looking for first-rate IT services.

H. Gill, Gill & Gill Architects

Outstanding dilligence and attention to detail! Our systems are now secure, networked and operating smoothly.

Tony G. Wilton Physical Therapy

The Zucco Company of Wilton, CT is happy to recommend Computer Systems Support & Design.

Jack & Debbie Zucco, Wilton

Your recommendations were "on-the-nose". Employee collaboration is now much improved.

S Jones, Swansee

My employees are very happy to work with CSSD because of the prompt responses to their questions.

TR, Systems Manager, Bridgeport

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About us

We serve businesses in Fairfield County, Connecticut with IT Tech Support, network planning (network consulting), network projects, and ongoing network/computer maintenance and Tech Support. We pride ourselves on not only delivering the results you expect, but also being knowledgeable, systematic, accountable, trustworthy and easy to work with. Read more...